Professional-Grade Power Solution: Rebuilt Caterpillar G3306SI Natural Gas Engine

When your operation demands reliable, cost-effective power generation, the Caterpillar G3306SI industrial natural gas engine delivers proven performance you can count on. This professionally rebuilt 145HP powerhouse combines Caterpillar's legendary engineering with clean-burning natural gas efficiency, making it the ideal choice for continuous-duty applications, standby power systems, and industrial operations.

Why Choose This Rebuilt Caterpillar G3306SI Engine?

This isn't just any used engine—it's a completely rebuilt generator set that meets rigorous quality standards. Every critical component has been meticulously inspected, tested, and restored to factory specifications, giving you the reliability of Caterpillar engineering at a fraction of the cost of a new unit.

Premium Components for Maximum Reliability

• 145 Horsepower at 1800 RPM – Delivers consistent, dependable power output perfect for generator set applications and industrial machinery
• Natural Gas Fuel System – Cleaner burning, lower emissions, and reduced operating costs compared to diesel alternatives
• Altronic Ignition System – State-of-the-art electronic ignition ensures reliable starts and optimal combustion efficiency in all conditions
• Woodward Actuator – Precision fuel control maintains stable engine speed and responds instantly to load changes
• SAE No. 01 Flywheel/Housing – Industry-standard mounting configuration ensures compatibility with a wide range of generators and driven equipment
• TALC Generator Set Configuration – Purpose-built for reliable power generation applications

Caterpillar Quality, Proven Performance

The G3306SI series represents decades of Caterpillar innovation in industrial power. Known for durability and low maintenance requirements, these engines power critical operations worldwide. The inline 6-cylinder design provides smooth operation with minimal vibration, while the natural gas fuel system reduces maintenance intervals and extends engine life.

Backed by Our Confidence

We stand behind the quality of our rebuild process with a comprehensive 6-month warranty, giving you peace of mind and protection for your investment. Our expert technicians have decades of experience rebuilding Caterpillar engines to exacting standards.

Ideal Applications

• Standby and prime power generation
• Combined heat and power (CHP) systems
• Industrial pump drives
• Compressor stations
• Continuous-duty operations
• Remote power applications with natural gas availability

Technical Advantages You'll Appreciate

Natural gas engines like the G3306SI offer significant operational benefits: lower fuel costs in most markets, reduced emissions for environmental compliance, quieter operation than diesel equivalents, and extended service intervals. The 1800 RPM operating speed is perfectly matched for 60Hz generator applications, ensuring stable frequency control and efficient power production.

Maximize your uptime and minimize your operating costs with this professionally rebuilt Caterpillar G3306SI engine. Contact Power Generation Enterprises today for detailed specifications, shipping information, and expert guidance on integrating this engine into your power system.

Item #E4289 | Rebuilt to Factory Specifications | 6-Month Warranty Included | Ready for Installation